1. .3.1 No doors, manholes, or access openings are permitted:

2. 3.1 No doors, manholes, or access openings are permitted:.

3. While modelling, cut outs and manholes in collision areas shall be taken into account.

4. For instance, underground sections of the aqueducts were made accessible by means of manholes and shafts.

5. Floodwater can contain sewage and conceal dangers, including debris, open manholes, and downed power lines.

6. The Bandicoot is a robotic machine that is engineered for cleaning any type of sewer manholes

7. These include 363 miles of pipes, 23,500 catch Basins and manholes, 940 vaults, 304 bioswales, 68 miles of streams, and 328 ponds throughout the City.

8. Benching[′bench·iŋ] (civil engineering) Concrete laid on the side slopes of drainage channels where the slopes are interrupted by manholes, and so forth